In the 1991 eruption of Mt Pinatubo, is there any credible information as to how much CO2 was released?

Question: In the 1991 eruption of Mt Pinatubo, is there any credible information as to how much CO2 was released?

Readers: Please provide your answers to this question, in your own words and/or links to external resources in the comments below. Over time we will consolidate and organize them into this page. THESE COMMENTS ARE NOT FOR DISCUSSION/DEBATES.