15 to 55

Preserved : 1954/1955: 1(1-2), 1955/1956: 2(1-2), 1957/1958: 3(1, 6), 1959/1960/1961: 4(1-3), 1962/1963: 5(1-2), 1964/1965: 6(1-2), 1965: 7(1-3), 1966: 8(1-4), 1967/1968: 9(1-3), 1969: 10(1-4), 1970: 11(1-4), 1971: 12(1-4), 1972: 13(1-4), 1973: 14(1-4), 1974: 15(1-4), 1975: 16(1-4), 1976: 17(1-4), 1977: 18(1-4), 1978: 19(1-4), 1979: 20(1-4), 1980: 21(1-4), 1981: 22(1-4), 1982: 23(1-4), 1983: 24(1-4), 1984: 25(1-4), 1985: 26(1-4), 1986: 27(1-4), 1987: 28(1-4), 1988: 29(1-4), 1989: 30(1-4), 1990: 31(1-4), 1991: 32(1-4), 1992: 33(1-4), 1993: 34(1-4), 1994: 35(1-4), 1995: 36(1-4), 1996: 37(1-4), 1997: 38(1-4), 1998: 39(1-4), 1999: 40(1-4), 2000: 41(1-4), 2001: 42(1-4), 2002: 43(1-4), 2003: 44(1-4), 2004: 45(1-4), 2005: 46(1-4), 2006: 47(1-4), 2007: 48(1-4), 2008: 49(1-4), 2009: 50(1-4), 2010: 51(1-4), 2011: 52(1-4), 2012: 53(1-4), 2013: 54(1-4), 2014: 55(1-4), 2015: 56(1-4), 2016: 57(1-2, 4), 2017: 58(1-4), 2018: 59(2-4), 2019: 60(1-4), 2020: 61(1-4), 2021: 62(1-4), 2022: 63(1-4), 2023: 64(1-3)

Preserved : 1 (1, 2); 2 (1, 2); 3 (1, 6); 4 (1 to 3); 5 (1, 2); 6 (1, 2); 7 (1 to 3); 8 (1 to 4); 9 (1 to 3); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1, 2-3, 4); 19 (1 to 4); 20 (1-2, 3, 4); 21 (1, 2, 3-4); 22 (1, 2, 3-4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1, 2-3, 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1-2, 3, 4); 47 (1 to 4); 48 (1-2, 3, 4); 49 (1 to 4); 50 (1, 2, 3-4); 51 (1, 2, 3-4); 52 (1, 2, 3-4); 53 (1 to 4); 54 (1, 2-3, 4); 58 (1-2); 59 (4); 60 (2, 3); 61 (2); 63 (3)