year,national_count,datum_count,datum_percent 1997,491,25,5.091649694501019 1998,630,63,10.0 1999,457,50,10.940919037199125 2000,464,49,10.560344827586206 2001,461,65,14.099783080260304 2002,450,51,11.333333333333332 2003,553,41,7.414104882459313 2004,498,75,15.060240963855422 2005,508,41,8.070866141732283 2006,528,49,9.280303030303031 2007,432,31,7.175925925925926 2008,581,77,13.253012048192772 2009,487,39,8.008213552361395 2010,363,47,12.947658402203857 2011,526,45,8.555133079847907 2012,415,46,11.08433734939759 2013,332,28,8.433734939759036 2014,339,46,13.569321533923304 2015,321,21,6.5420560747663545 2016,271,19,7.011070110701106 2017,357,32,8.96358543417367 2018,195,20,10.256410256410255 2019,392,24,6.122448979591836 2020,285,16,5.614035087719298 2021,297,13,4.377104377104377 2022,396,41,10.353535353535353 2023,347,21,6.051873198847262 2024,437,39,8.924485125858125 2025,446,20,4.484304932735426