* Swiss CO2 emissions (metric tons per capita): 4.17 * US CO2 emissions (metric tons per capita): 15.5 Switzerland is already among the lowest polluters in the EU and much lower than Australia/Canada/US. Just for context.
Europe, not the EU
From a ballpark look, your numbers look to be production-based accounting. If you look at Switzerland with consumption-based accounting[0], it looks pretty bad with higher per-capita emissions, and an upward trend while other comparably rich European countries have a downward trend.
[0]: https://ourworldindata.org/co2/country/switzerland#consumpti...