Year	Number of Firms
1992-01-01	96
1997-01-01	160
2002-01-01	161
2003-01-01	171
2004-01-01	172
2005-01-01	188
2006-01-01	184
2007-01-01	216
2008-01-01	234
2009-01-01	220
2010-01-01	208
2011-01-01	224
2012-01-01	199
2013-01-01	218
2014-01-01	259
2015-01-01	236
2016-01-01	231