How appropriate is it for Bill Clinton to get millions of dollars from governments that are dealing directly with his wife as Secretary of State

Is it appropriate that foreign governments give money to Bill Clinton why they are dealing directly with his wife as Secretary of State? Is it appropriate that the exact amount of the donations not be reported publicly?

Foreign countries including Saudi Arabia and Norway gave millions of dollars to former President Bill Clinton's charity as Hillary Rodham Clinton served her first year as President Barack Obama's secretary of state.
A donor list released on New Year's Day by the William J. Clinton Foundation shows that Saudi Arabia and Norway each donated somewhere between $10 million to $25 million to the former president's charity. . . .
The William J. Clinton Foundation works in the United States and around the world on such issues as health care, particularly HIV/AIDS; climate change; and economic development. It also runs the Clinton Presidential Center in Little Rock, Ark., which includes Clinton's presidential library. . . .

The comparison to other former presidents is quite the same as their wives are not still holding powerful government positions. It is true: "The Clintons were under no legal obligation to identify foundation donors." But it sure raises questions.