If I am a smart investor, I will invest in this fund. Guess which "fund" is this?

Year　Return (%)

2011　1,473

2012　186

2013　5,507

2014　-58

2015　35

2016　125

2017　1,331

2018　-73

2019　95

2020　301

2021　90

2022　-81.02