Year,Age1_knum,Age2_knum,Age3_knum,Age4_knum,Age5_knum,Age6_knum
1973,0,3840,13086,9281,3746,1618
1974,180,6299,7821,7400,3545,1478
1975,427,16861,6947,3393,2085,1150
1976,43,19341,5091,1348,533,869
1977,31,6647,9851,1729,396,477
1978,0,2172,4030,1685,466,176
1979,17,6827,3408,1246,552,273
1980,0,2405,8819,1439,326,100
1981,6,480,5279,4566,798,126
1982,217,13159,7075,3252,1033,84
1983,241,7739,16166,2338,631,128
1984,244,1916,4272,4741,1594,321
1985,375,3369,824,659,414,66
1986,92,5841,996,354,164,77
1987,15,1865,2798,780,135,114
1988,0,1700,1217,643,170,39
1989,0,1385,688,271,70,20
1990,0,742,4624,745,106,20
1991,0,28,906,2358,302,63
1992,0,3256,1934,1203,513,28
1993,5,655,2398,1889,342,79
1994,44,1014,6257,1762,525,112
1995,6,94,1028,757,159,36
1996,2,294,1411,684,166,14
1997,35,462,1198,1475,338,89
1998,23,952,2639,1794,610,101
1999,12,2328,2902,1514,617,158
2000,63,3100,5447,2897,754,365
2001,116,2225,6548,2468,959,501
2002,166,3871,3310,1612,581,393
2003,86,2836,3938,1944,664,605
2004,0,447,2651,3701,1953,1409
2005,0,978,3471,1590,356,167