▁ 1 1 8 ▁employees . ▁Out ▁of ▁this ▁number ▁of ▁prisoners , ▁the ▁institution ▁posts ▁an ▁average ▁of ▁ 5 0 ▁esc apes ▁per ▁year . ▁This ▁low ▁figure ▁- ▁considering ▁the ▁lack ▁of ▁security ▁and ▁contain ment ▁mechan isms ▁- ▁is ▁partly ▁attributed ▁to ▁the ▁short ▁sentences ▁of ▁the ▁in m ates ▁as ▁well ▁as ▁the ▁internal ▁security ▁in ▁Switzerland , ▁which ▁serves ▁as ▁a ▁d eter rent . ▁▁ ▁Begin ning ▁in ▁the ▁ 1 9 9 0 s , ▁the ▁government ▁also ▁constructed ▁an ▁an nex ▁at ▁W itz w il , ▁which ▁currently ▁serves ▁as ▁exp ulsion ▁prison , ▁or ▁a ▁det ain ment ▁facility ▁for ▁individuals ▁waiting ▁to ▁be ▁deport ed , ▁pending ▁a ▁court ▁r uling ▁or ▁police ▁dec ree . ▁ ▁With ▁a ▁total ▁agricult ural ▁land ▁area ▁of ▁ 6 1 2 ▁hect ares , ▁the ▁prison ▁has ▁the ▁largest ▁farm ▁in ▁Switzerland , ▁with ▁an ▁annual ▁re venue ▁of ▁ 1 7 ▁million ▁Swiss ▁fran cs . ▁The ▁operation ▁includes ▁ 2 0 ▁tra ctors , ▁ 5 0 0 ▁cattle , ▁ 1 2 0 ▁horses , ▁ 6 0 0 ▁p igs ▁and ▁ 1 0 0 ▁ch icken . ▁ ▁See ▁also ▁List ▁of ▁pr isons ▁in ▁Switzerland ▁ ▁References ▁ ▁External ▁links ▁ ▁Just iz vol l z ugs anstalt ▁W itz w il ▁▁ ▁W itz w il <0x0A> </s> ▁A can th ast rea ▁rot und of l ora ▁is ▁a ▁species ▁of ▁cor al ▁found ▁in