oneThis plural form is used for numbers like: 1
about 1 year
otherThis plural form is used for numbers like: everything else
約 {{count}} 年
about 1 year
about {{count}} years
about 1 year
about {{count}} years
約 {{count}} 年
about 1 year
about {{count}} years
約 {{count}} 年
about 1 year
about {{count}} years
約 {{count}} 年