Assertion: gull's number | /r/CapableOf | dwindle in the united kingdom
Facets:
value: between 1966
type: TEMPORAL
value: by more than 80%
type: OTHER
value: between 2004
type: TEMPORAL
Source sentences:
text: Numbers dwindled in the United Kingdom by more than 80% between 1966 and 2004; although populations in some areas such as Northern Ireland were stable or even increased, those in other areas, mainly England, declined even more sharply.