Year	Number of Firms
1992-01-01	22
1997-01-01	40
2002-01-01	51
2003-01-01	47
2004-01-01	70
2005-01-01	68
2006-01-01	79
2007-01-01	94
2008-01-01	106
2009-01-01	101
2010-01-01	133
2011-01-01	125
2012-01-01	131
2013-01-01	142
2014-01-01	148
2015-01-01	133
2016-01-01	112