Year	Number of Firms
1992-01-01	70
1997-01-01	79
2002-01-01	99
2003-01-01	100
2004-01-01	99
2005-01-01	117
2006-01-01	128
2007-01-01	148
2008-01-01	142
2009-01-01	160
2010-01-01	156
2011-01-01	172
2012-01-01	182
2013-01-01	155
2014-01-01	174
2015-01-01	170
2016-01-01	177