Pick a country with a flat line from here: https://www.euromomo.eu/graphs-and-maps/ https://www.euromomo.eu/graphs-and-maps/ Northern Ireland vs Ireland is one

Pick a country with a flat line from here: https://www.euromomo.eu/graphs-and-maps/ https://www.euromomo.eu/graphs-and-maps/ Northern Ireland vs Ireland is one of the interesting ones.