ChartsBTC 2 years ago bitcoin yearly lows 2011 $0.29 2012 $4 2013 $13 2014 $275 2015 $152 2016 $352 2017 $751 2018 $3,122 2019 $3,322 2020 $3,850 2021 $27,734 2022 $15,479 YTD 2023 $16,496