2019 is the recovery year, 2020 is the half-year reduction, 2021 is the bull market year, 2022 is the bear market year, 2023 is the recovery year, 2024 is the half-year reduction, 2025 is the bull market year, 2026 is the bear market year, 2027 is the recovery year, 2028 is the half-year reduction, 2029 is the bull market year, 2030 is the bear market year, 2031 is the recovery year, 2032 is the half-year reduction, 2033 is the bull market year, 2034 is the bear market year, 2035 is the recovery year, 2036 is the half-year reduction, 2037 is the bull market year, 2038 is the bear market year, and 2039 is the recovery year. 5 BTC cycles.