Earlier quoted context omitted.
Electric car sales are up in Germany by similar amounts. Completely without any force applied. The same in many European countries.
Car companies must meet the EU fleet emissions standards and the only way most car companies will achieve that is by selling BEVs. Volkswagen and Renault are the top two BEV makers in Europe. Toyota is in a good position with their fleet emissions because they've been selling hybrids for so long. They're not under as much pressure to start selling BEVs in high volumes.
The answer is: there are enough customers interested in buying an electric cars but both the available product range and production count limited their ability to do so. With the offerings of electric cars improving, the consumers are happily buying into them.