[DennisP]

Yes but NIF's lasers date back to the 1990s, and laser technology has improved a lot since then. NIF-class lasers with over 20% efficiency are available now.

https://physicstoday.scitation.org/do/10.1063/pt.6.2.2021102...

Same article mentions that some petawatt lasers can fire more than once per second now.