1 to 51

1 to 23

Preserved : (ja, 999); 4 (1 to 9, 11, 12, 999); 23 (1 to 6); 32 (1 to 6); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 8, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 4, 6 to 9); 46 (1, 9, 11, 12); 47 (1, 3 to 5, 8, 9, 11, 12, 999); 48 (1 to 9, 11, 12); 49 (1, 4 to 9); 98 (999); 99

Preserved : 1974: 1(1-2), 1975: 2(1-4), 1976: 3(1-4), 1977: 4(1-4), 1978: 5(1-4), 1979: 6(1-4), 1980: 7(1-4), 1981: 8(1-4), 1982: 9(1-4), 1983: 10(1-4), 1984: 11(1-4), 1985: 12(1-4), 1986: 13(1-6), 1987: 14(1-6), 1988: 15(1-6), 1989: 16(1-6), 1990: 17(1-6), 1991: 18(1-6), 1992: 19(1-6), 1993: 20(1-6), 1994: 21(1-6), 1995: 22(1-6), 1996: 23(1-6), 1997: 24(1-6), 1998: 25(1-6), 1999: 26(1-6), 2000: 27(1-6), 2001: 28(1, S 1, 2-6), 2002: 29(1-6), 2003: 30(1-6), 2004: 31(1-6), 2005: 32(1-6), 2006: 33(1-12), 2007: 34(1-12), 2008: 35(1-12), 2008/2009: 36(1-12), 2010: 37(1-12), 2010/2011: 38(1-12), 2012: 39(1-12), 2012/2013: 40(1-12), 2013/2014: 41(1-12), 2014/2015: 42(1-12), 2015/2016: 43(1-12), 2016/2017: 44(1-12), 2017/2018: 45(1-12), 2018/2019: 46(1-3, 5-12), 2019/2020: 47(1-12), 2020/2021: 48(1-9)

Preserved : 1 (1, 2); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (S1, 1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 12); 34 (1 to 12); 35 (1 to 12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 8, 10 to 12); 39 (1 to 12); 40 (1 to 12, 999); 41 (1 to 12); 42 (1 to 12); 43 (1 to 12); 44 (1 to 12); 45 (1 to 12); 46 (1 to 12); 47 (1 to 12); 48 (1 to 12); 49 (1 to 12); 50 (1 to 12); 51 (1 to 3)