Sweden is also suggesting that if you're vaccinated you do not need to get tested. "If you are vaccinated, you do not generally need to get tested when you experience symptoms." [1]

With ~69% [2] of the population fully vaccinated that is definitely going to skew the numbers a bit.

1. https://www.folkhalsomyndigheten.se/the-public-health-agency... 2. https://ourworldindata.org/explorers/coronavirus-data-explor...