Park Service once.

And five years after Obama directed agencies to less frequently invoke a "deliberative process" exception to withhold materials describing decision-making behind the scenes, the government did it anyway, a record 81,752 times.

"I'm concerned the growing trend toward relying upon FOIA exemptions to withhold large swaths of government information is hindering the public's right to know," said Sen. Patrick Leahy, D-Vt., chairman of the Senate Judiciary Committee. "It becomes too much of a temptation. If you screw up in government, just mark it top secret."

Citizens, journalists, businesses and others last year made a record 704,394 requests for information, an 8 percent increase over the previous year. The government responded to 678,391 requests, an increase of 2 percent over the previous year. The AP analysis showed that thetheir responsiveness to FOIA requests, applying a presumption of openness and making it a priority to respond quickly," Schultz said.

Sunday was the start of Sunshine Week, when news organizations promote open government and freedom of information.

The chief of the Justice Department's Office of Information Policy, which oversees the open records law, told the Senate last week that some of the 99 agencies in the past five years have released documents in full or in part in more than 90 percent of cases. She noted the record number of requests for government records, which exceeded 700,000 for the first time last year, and said decisions are harder than ever.

"The requests are more complex than they were before," director Melanie Pustay told the Senate Judiciary Committee.

The government's responsiveness under the