Total number killed in attacks in New York: 2,753
Number of firefighters and paramedics killed:343
Number of NYPD officers: 23
Number of Port Authority police officers: 37
Number of WTC companies in the towers that lost people: 128
Number of employees who died in Tower One: 1,402
Number of employees who died in Tower Two: 614
Estimated amount of insurance paid worldwide related to 9/11: $40.2 billion
Estimated amount of money raised for funds dedicated to NYPD and FDNY families: $500 million
Average benefit already received by each FDNY and NYPD widow: $1 million
Number of mentions of 9/11 at the 2002 Oscars: 26
Number of Americans who changed their 2001 holiday-travel plans from plane to train or car: 1.4 million
Estimated number of New Yorkers suffering from post-traumatic-stress disorder as a result of 9/11: 422,000
Watch Dave Letterman on his first show back after 9/11. You can hear it in his voice..the emotion, the rawness of that event. Powerful.