05/01/2014: +1.58%

05/01/2015: -0.09%

05/01/2016: +1.37%

05/01/2017: +2.5%

05/01/2018: +2.0%

05/01/2019: +1.55%

05/01/2020: +2.49%

05/01/2021: +1.4%

05/01/2022: +4%

05/01/2023: +4%

05/01/2024: +3.09%