Table 4.7: Market Concentration Ratios by JIP 2006 Industry Classification: 1996 and 2001,,,,,
(Note: Excluding public establishments.),,,,,

,,2001,1996 (Estimated value),2001,1996 (Estimated value)
JIP 2006 Industry Classification,Industry Name,Herfindahl index,Herfindahl index,Top 4-firm market concentration ratio (%),Top 4-firm market concentration ratio (%)
1,"Rice, wheat production",9.94,10.04,4.1,4.27
2,Miscellaneous crop farming,9.94,10.04,4.1,4.27
4,Agricultural services,2.59,3.01,1.12,1.44
5,Forestry,15.38,13.93,4.03,3.05
6,Fisheries,11.61,10.96,2.69,2.78
7,Mining,26.2,29.29,8.16,8.75
8,Livestock products,43.46,47.73,9.31,10.25
9,Seafood products,5.48,6.04,2.19,2.69
10,Flour and grain mill products,75.77,151.65,13.92,18.31
11,Miscellaneous foods and related products,17.83,14.48,5.35,4.84
12,Prepared animal foods and organic fertilizers,34.58,36.23,6.26,6.68
13,Beverages,24.66,29.05,6.8,8.12
14,Tobacco,9690.53,9690.53,100,100
15,Textile products,1.73,1.23,1.17,0.93
16,Lumber and wood products,4.01,3.62,2.21,2.17
17,Furniture and fixtures,4.5,3.5,1.98,1.86
18,"Pulp, paper, and coated and glazed paper",139.09,158.39,19.19,20.91
19,Paper products,9.12,6.93,3.5,2.85
20,"Printing, plate making for printing and bookbinding",8.79,9.23,4.47,4.6
21,Leather and leather products,6.03,5.17,1.99,2.04
22,Rubber products,101.65,101.03,15.55,14.82
23,Chemical fertilizers,262.97,270.21,24.89,25.21
24,Basic inorganic chemicals,83.19,85.48,12.3,12.45
25,Basic organic chemicals,144.63,139.93,17.88,17.36
26,Organic chemicals,144.63,139.93,17.88,17.36
27,Chemical fibers,847.26,819.73,53.84,52.28
28,Miscellaneous chemical products,65.64,81.62,11.74,13.59
29,Pharmaceutical products,74.24,75.73,10.46,11.64
30,Petroleum products,334.95,90.17,29.52,18
31,Coal products,1213.52,258.88,43.65,25.29
32,Glass and its products,167.09,187.44,20.88,22.46
33,Cement and its products,8.12,8.23,2.95,3.32
34,Pottery,97.06,99.7,18.04,17.69
35,"Miscellaneous ceramic, stone and clay products",14.2,99.7,4.07,17.69
36,Pig iron and crude steel,1590.05,1531.73,73.62,70.76
37,Miscellaneous iron and steel,34.77,32.3,8.55,8.69
38,Smelting and refining of non-ferrous metals,188.71,244.73,20.53,24.18
39,Non-ferrous metal products,127.68,106.43,19.38,17.52
40,Fabricated constructional and architectural metal products,16.77,12.95,6.22,5.76
41,Miscellaneous fabricated metal products,3.39,4.43,1.98,2.75
42,General industry machinery,50.7,55.89,10.61,11.34
43,Special industry machinery,13.41,13.76,4.66,4.83
44,Miscellaneous machinery,14.98,16.51,5.74,6.14
45,Office and service industry machines,61.41,52.35,10.86,9.91
46,"Electrical generating, transmission, distribution and industrial apparatus",71.76,72.27,14.46,15.21
47,Household electric appliances,273,244.74,28.95,24.38
48,"Electronic data processing machines, digital and analog computer equipment and accessories",193.03,163.73,21.94,20.38
49,Communication equipment,117.66,110.6,15.92,15.06
50,Electronic equipment and electric measuring instruments,113.74,96.48,16.17,15.02
51,Semiconductor devices and integrated circuits,32.24,39.53,8.52,9.64
52,Electronic parts,32.24,39.53,8.52,9.64
53,Miscellaneous electrical machinery equipment,82.68,73.45,13.09,11.4
54,Motor vehicles,100.21,99.6,14.97,15.84
55,Motor vehicle parts and accessories,100.21,99.6,14.97,15.84
56,Other transportation equipment,109.55,163.03,17.53,20.63
57,Precision machinery & equipment,24.11,32.18,5.86,7.09
58,Plastic products,8.05,6.03,3.71,2.81
59,Miscellaneous manufacturing industries,8.23,9.48,3.82,4.12
60,Construction,3.22,3.06,2.56,2.39
61,Civil engineering,0.82,0.78,1.1,1.02
62,Electricity,1440.09,1390.34,65.63,64.22
63,"Gas, heat supply",1218.94,1262.89,56.45,59.61
64,Waterworks,216.09,281.47,19.84,27.59
65,Water supply for industrial use,1520.53,1980.62,68.31,94.99
66,Waste disposal,2.67,3.06,1.08,1.37
67,Wholesale,1.05,1.02,0.9,0.79
68,Retail,3.23,2.04,2.73,2.11
69,Finance,35.44,32.72,7.39,6.51
70,Insurance,956.67,1238.87,54.05,74.91
71,Real estate,1.33,1.11,1.11,0.89
73,Railway,1120.53,994.37,52.82,52.6
74,Road transportation,25.68,21.46,8.2,7.63
75,Water transportation,30.27,36.14,8.05,8.81
76,Air transportation,1123.72,1262.21,56.77,59.88
77,Other transportation and packing,10.06,13.11,4.65,5.61
78,Telegraph and telephone ,537.73,33.92,38.06,7.33
79,Mail,4.49,7.46,2.01,3.67
80,Education (private and non-profit),12.88,12,5.55,5.16
81,Research (private),148.6,124.43,19.79,15.82
82,Medical (private),1,1.15,1.29,1.64
83,Hygiene (private and non-profit),43.83,48.21,5.73,6.9
84,Other public services,1.19,1.15,0.92,0.67
85,Advertising,62.49,23.36,11.8,6.7
86,Rental of office equipment and goods,7.4,6.56,2.83,2.53
87,Automobile maintenance services,3.96,4.05,2.44,2.49
88,Other services for businesses,3.74,2.71,2.31,1.76
89,Entertainment,8.91,4.28,3.97,2.7
90,Broadcasting,172.99,301.41,20.57,27.66
91,Information services and internet-based services,11.07,11.66,4.26,4.27
92,Publishing,55.96,57.11,11.15,11.14
93,"Video picture, sound information, character information production and distribution",16.8,8.08,3.66,2.48
94,Eating and drinking places,8.17,3.93,4.42,2.96
95,Accommodation,4.13,3.08,2.38,2
96,"Laundry, beauty and bath services",0.7,0.31,1.07,0.58
97,Other services for individuals,4.46,2.31,2.78,1.72
103,Public administration,267.92,322.81,23.31,29.32
104,Medical (non-profit),1.51,n.a.,0.45,n.a.
105,Social insurance and social welfare (non-profit),0.84,0.93,0.67,0.61
106,Research (non-profit),103.92,n.a.,15.26,n.a.
107,Other (non-profit),0.99,n.a.,1.2,n.a.
108,Activities not elsewhere classified,89.91,81.9833,12.02,10.9009