# comment "time_start","time_end","fleet","obs" 1988,1989,1,1239 1989,1990,1,1161 1990,1991,1,1063 1991,1992,1,1227 1992,1993,1,1186 1993,1994,1,1255 1994,1995,1,1371 1995,1996,1,1835 1996,1997,1,3022 1997,1998,1,2620 1998,1999,1,2390 1999,2000,1,2670 2000,2001,1,2407 2001,2002,1,2500 2002,2003,1,2622 2003,2004,1,3458 2004,2005,1,3731 2005,2006,1,4430 2006,2007,1,4377 2007,2008,1,4064 2008,2009,1,4107 2009,2010,1,3889 2010,2011,1,4563 2011,2012,1,3858 2012,2013,1,3987 2013,2014,1,4136 2014,2015,1,2682 2000.5,2000.5,2,1.05 2001.5,2001.5,2,1 2002.5,2002.5,2,1.02 2003.5,2003.5,2,1.11 2004.5,2004.5,2,1.11 2005.5,2005.5,2,0.98 2006.5,2006.5,2,1.02 2007.5,2007.5,2,1.23 2008.5,2008.5,2,1.25 2009.5,2009.5,2,1.79 2010.5,2010.5,2,1.61 2011.5,2011.5,2,1.46 2012.5,2012.5,2,1.44 2013.5,2013.5,2,1.22 2014.5,2014.5,2,0.99 1988.5,1988.5,3,245776 1989.5,1989.5,3,77716 1990.5,1990.5,3,1129914 1991.5,1991.5,3,4250635 1992.5,1992.5,3,2617984 1993.5,1993.5,3,2299918 1994.5,1994.5,3,1097829 1995.5,1995.5,3,1021740 1996.5,1996.5,3,1224238 1997.5,1997.5,3,1817599 1998.5,1998.5,3,2531044 1999.5,1999.5,3,1642270 2000.5,2000.5,3,2570996 2001.5,2001.5,3,3150674 2002.5,2002.5,3,3872427 2003.5,2003.5,3,8739057 2004.5,2004.5,3,3598440 2005.5,2005.5,3,3005317 2006.5,2006.5,3,5517999 2007.5,2007.5,3,3661314 2008.5,2008.5,3,6468841 2009.5,2009.5,3,2564696 2010.5,2010.5,3,1804537 2011.5,2011.5,3,1513745 2012.5,2012.5,3,2034554 2013.5,2013.5,3,995987 2014.5,2014.5,3,669931