According to the Congressional Research Service, the average number of days from nomination to final Senate vote since 1975 is 67 days (2.2 months), while the median is 71 days (or 2.3 months).
根据国会研究机构统计，自1975年以来提名至参议院投票的平均天数为67天（2.2个月），而其中值为71天（或2.3个月）。