According to Immigration, Refugees and Citizenship Canada (IRCC), 304,611 applications were received for Canadian permanent residency in the first nine months of 2021. It is expected that the total number of 2021 could hit about 406,000, an increase of more than 20 percent from 2020.
Here is a monthly breakdown of 2021, data obtained from IRCC:

Based on the monthly average of applications in the first nine months, it is estimated that the total number for 2021 could reach 406,000 or so. It would be a growth of over 20 percent compared with that of 2020.

For the up-to-date data, please refer to IRCC. Please also note that both the screen captures of data were taken out from the IRCC document, downloaded on November 21, 2021, Eastern Time.