nullptr

#MapTimePerformanceDate
1600:37.14
2010-10-29
1700:38.17
2012-08-26
1800:45.01
2010-09-14
1900:45.03
2012-07-31
2000:47.58
2011-05-15
2100:48.14
2012-07-27
2200:48.26
2012-08-19
2300:48.65
2012-07-22
2400:49.85
2012-09-02
2500:54.69
2012-09-08
2600:55.83
2012-08-04
2700:57.14
2012-08-26
2800:58.14
2012-08-13
2900:58.83
2012-08-25
3000:59.75
2010-10-13
1630 / 95