2010 = 44 / 2011 = 51
Source: http://www.auto-i-dat.ch/download/fahrzeugmarkt/Schweizer_Fa...
According to a media release from July 27, 2012, Tesla counted more than 130 Tesla cars in Switzerland:
http://www.presseportal.ch/de/pm/100020821/100722406/tesla-b...
Source: Statistics Norway[1], the official state agency for everything statistics.
Compared to say ~300,000 registered Toyotas (2011), I guess it depends on how you define "big" :)
But we do have a somewhat sizeable enthusiast "electric car" community. We deal with the cold by plugging in whenever possible, and most electric cars are used only for local transport.
There's apparently two Tesla S in Norway at the moment. It has generated interest here as well, and we have articles like "How to charge the Tesla Model S" [2] on a site that translates to "charging-stations.no",
[1] http://statbank.ssb.no/statistikkbanken/Default_FR.asp?PXSid...
[2] http://www.ladestasjoner.no/nyheter/75-hvordan-kan-tesla-mod...
Tesla's other challenge, i suspect, will be really hot spread out places like parts of Australia.