Add number of hits in parenthesis after categories in filter

Eg

  • Semitic Museum, Harvard University, Cambridge, Massachusetts, USA
  • British Museum, London, UK
  • Vorderasiatisches Museum, Berlin, Germany
  • University of Pennsylvania Museum of Archaeology and Anthropology, Philadelphia, Pennsylvania, USA
  • National Museum of Iraq, Baghdad, Iraq
  • Arkeoloji Müzeleri, Istanbul, Turkey
  • unlocated

becomes

  • Semitic Museum, Harvard University, Cambridge, Massachusetts, USA (234)
  • British Museum, London, UK (332)
  • Vorderasiatisches Museum, Berlin, Germany (1)
  • University of Pennsylvania Museum of Archaeology and Anthropology, Philadelphia, Pennsylvania, USA (666)
  • National Museum of Iraq, Baghdad, Iraq (23)
  • Arkeoloji Müzeleri, Istanbul, Turkey (12)
  • unlocated (1)

etc.