Preserved : 2007: 10(1-6, ), 2008: 11(1-6, ), 2009: 12(1-6), 2010: 13(1-6, ), 2011: 14(1-6), 2012: 15(1-6, ), 2013: 16(1-6), 2014: 17(1-6, ), 2015: 18(1-6, ), 2016: 19(1-6, ), 2017: 20(1-6, ), 2018: 21(1-6, ), 2019: 22(2-6, ), 2020: 23(1-6, ), 2021: 24(1-6, ), 2022: 25(1-2, 4-6), 2023: 26(1-6), 2024: 27(1) |
Preserved : 17 (6); 18 (supplement, 2, 3, 04, 05, 6); 19 (supplement, 1, 02, 03, 04, 05, 06); 20 (supplement, 01, 05, 06); 21 (supplement, 01, 02) |