40.9 22.6 18.1 4.9 1.0 15.3 10.0 (%) 3.5 5.8 6.0 23.5 29.5 70.5 100.0 (%) 267 447 456 1,788 2,244 5,364 7,609 0.3 6.5 975 5.6 386 (%) (%) (%) 3.6 6.3 100.0 6.6 5.3 27.2 32.8 67.2 100.0 22.5 538 452 10.1 956 364 1,880 2,267 4,651 3.2 15,064 6,918
457 892 914 435 970 1,406 2006 2007 3 3 311 940 268 359 2,037 1,677 146 1,832 1,183 795 1,067 271
A B E D C
1970 1980 1990 2000 Audio Visual Information Technology
5,880 5,636 60.8 +28 +1.0 58.1 2,847 2,876 2,585 1,730 1,846 1,503 64.2
2,540 2,070 +376 +38.2 1,359 983 905
3,486 3,716 1,593 1,831 1,656-174 -9.6
1,549 1,814 17 +1.7 826 992 1,009
485 640 +444 +168.9 95 263 707