1,1980 250 21;
2,1981 265 24;
3,1982 248 24;
4,1983 269 20;
5,1984 332 24;
6,1985 338 24;
7,1986 369 24;
8,1987 410 27;
9,1988 448 34;
10,1989 478 41;
11,1990 499 39;
12,1991 491 39;
13,1992 537 41;
14,1993 589 43;
15,1994 669 51;
16,1995 749 57;
17,1996 803 61;
18,1997 877 63;
19,1998 919 61;
20,1999 1032 66;
21,2000 1227 69;
22,2001 1149 62;
23,2002 1168 71;
24,2003 1265 86;
25,2004 1478 105;
26,2005 1683 120;
27,2006 1863 135;
28,2007 1969 160;
29,2008 2117 194;