LED street lights, installation, failures and complaints: EIR release

1.      I would like to know how many LED street lights have fell off the light pole since January 2018.
2.      I would like to know how many LED street lights have failed since January 2018.
3.      I would also like to know how many complaints that Transport Scotland has received about LED street lights since January 2018.
4.      I would also like to know when Transport Scotland started installing LED street lights on the A9, A82 and A96 in Inverness.
5.      I would also like to know when (what month and year) Transport Scotland decided to install LED street lights.