Year	Number of Firms
1992-01-01	29
1997-01-01	55
2002-01-01	72
2003-01-01	68
2004-01-01	82
2005-01-01	90
2006-01-01	108
2007-01-01	145
2008-01-01	219
2009-01-01	118
2010-01-01	108
2011-01-01	102
2012-01-01	111
2013-01-01	127
2014-01-01	123
2015-01-01	146
2016-01-01	147