PeriodAustraliaBelgiumCanadaCzechDenmarkEstoniaFinlandFranceGermanyHungaryItalyJordanLatviaLithuaniaNetherlandsNorwayPolandPortugalRomaniaSouth KoreaSpainSwedenTurkeyUnited KingdomUnited StatesTotal
20010000000000000000000000001212
20021040300090000000000000034969
20030020000050000000002000004857
20040010100300100001000000015260
2005001000024020000001101820199131
20060036000060060004000101003998191
200730301621370200082111140042117232
20083032213101132201160703020051155295
20094132074011709120318030102108317521
201060130400970500035304022080268411
 171151334714542227131249192151284232512151979