Tag 'start_date = 1989'

Value histogram for key 'official_ref'

• 1: H0007
• 1: H0006
• 1: H0014
• 1: NK090
• 1: H0013
• 1: Kr095
• 1: L0027
• 1: NK079
• 1: NK211
• 1: Kr099
• 1: Kr098
• 1: NK066
• 1: Kr045