Bitcoin year wise return
Here are the year-wise returns of Bitcoin since its inception in 2009:

Source
2009: N/A
2010: +9,900%
2011: +1,500%
2012: +170%
2013: +5,400%
2014: -61%
2015: +35%
2016: +123%
2017: +1,318%
2018: -73%
2019: +95%
2020: +305%
2021: +67%

ETHEREUM year wise return

Here are the year-wise returns of Ethereum (ETH) since its launch in 2015:

2015: N/A
2016: +750%
2017: +9,162%
2018: -82%
2019: +21%
2020: +471%
2021: +463%
Note that these returns are based on the price of ETH at the beginning and end of each year and do not take into account the daily or monthly fluctuations in its price. Also, please be aware that past performance is not a guarantee of future results, and investing in cryptocurrencies involves a high degree of risk.