Historically, the operating performance has been essentially breakeven.[37] The museum restricts the use of its endowment fund for yearly operating expenses to 5% of the fund's value.[2] The Whitney has historically depended on private collectors and donors for acquisitions of new art.[38] In 2008, Leonard A. Lauder gave the museum $131 million, the biggest donation in the Whitney's history.[38][39] Donations for new purchases dropped to $1.3 million in 2010 from $2.7 million in 2006.[5]