Wikipedia is the ideal model for any not-for-profit organization raising funds online. According to an article in The Huffington Post:

Wikipedia Fundraising By The Numbers

136,000: number of donors
$35: average donation
16: number of currencies in which people donated
150: number of countries from which people donated
$6.5 million: total amount raised thus far
$3 million: amount raised in ten days in late December

Click here to read ‘Wikipedia’s Fundraising Miracle” by Danny Shea