Year

2008

2009

2010

2011

2012

2013

2014

2015

2016

2017

# Nodes

28,838

31,892

35,149

38,550

41,527

47,407

47,581

50,856

51,736

52,361

# Edges

135,723

152,447

184,071

213,870

281,596

282,939

298,355

347,518

379,652

414,501