Year	Number of Firms
1992-01-01	35
1997-01-01	88
2002-01-01	166
2003-01-01	192
2004-01-01	213
2005-01-01	232
2006-01-01	251
2007-01-01	281
2008-01-01	308
2009-01-01	306
2010-01-01	346
2011-01-01	366
2012-01-01	385
2013-01-01	370
2014-01-01	393
2015-01-01	359
2016-01-01	369