Location Before After Change

New York 31.3% 18.5% −12.8 pp

Ottawa 19.7% 18.5% −1.2 pp

London 18.1% 32.1% +14.0 pp

Zeist 30.8% 30.8% 0 pp

Seems it is mostly because there was less trust in the USA, and added a little bit from Canada to make it less obvious.

Is it a coincidence that USA and Canada now have the same amount, but they equalised without transferring any to Canada, and they can say they reduced in both?