Statistics relating to the debt and deficit ratios of the 17 eurozone states can be found on the website of the European Central Bank (ECB) at:
http://www.ecb.int/stats/gov/html/dashboard.en.html
Key statistics on the eurozone economy more generally can be found in the ECB’s monthly Statistics Pocket Book:
http://www.ecb.int/pub/spb/html/index.en.html