According to statistics unveiled by manthri.lk, the contribution stands only at a mere 1.2 percent.
However, it states that 341 MPs have contributed to the topic, with Ruwan Wijewardene, Sarath Fonseka, Buddhika Pathirana, Wijayadasa Rajapaksha and Anura Kumara Dissanayake being the top five contributors respectively. It is singular that none from the Joint opposition are among the top five contributors.
The website also states that the number of times MPs have spoken about Defense in parliament stands at 77.
The above statistics of manthri.lk are based on the official Hansard reports of the 8th parliament of Sri Lanka from Sept. 2015 - Feb. 2019.