8 1 7 31 | | | | | | | | | | GPS | | | | | | | | 2000 | | 2012 | 2020 | | | 2017 | | 18 | 30 | | | | | | | | | | | | | | | | | | GPS | | | | | | | | | | | | | | | | | | | | | | | | | | | | |