The Blackbaud Index of Charitable Giving, a broad-based fundraising index that reports overall giving trends of 1,301 US-based nonprofit organizations representing $2.59 billion in yearly giving on a monthly basis, today reported that charitable giving rose 1.8% for the three months ending December 2011 as compared to the same period in 2010. The Blackbaud Index of Online Giving, comprised of actual revenue data from 1895 nonprofits representing $419 million in yearly online giving, reported that online giving rose 12.9% for the three months ending December 2011 as compared to the same period in 2010.