We have used this solution for five years. 

I have been using the solution for 14-15 years. 

We have been using SaltStack for six months now.

We have been using SaltStack for three months.

I have been using the solution for a year now.

We have used this solution for a year.

I have used it for nine months.

I have been using the solution for two years.

I have been using the solution for six months.

I have used it for two years.

We have been using this for three years.

We have used this solution for almost two years.

I have used it for two years.

I have used it continuously for the last year, and sporadically for the last three years.

I have been using this solution for more than two years now.

I have been using it for 1.5 - 2 years.

We used this solution for a year and a half..

I have used it for two years.

I have used it for 1.5 years.

I have used it for six months.

We have used this solution three years in production

I have used it for ~7 months.

We have been using this solution for three months as part of a PoC.

I have used it for two years.

We have been using this solution for close to a year.

I’ve used this solution for four years.

I have used it for 10 months.

I have used it for 1.5 years.

I have used it for one year.

I have used it for 12 months.

We have used this solution for under three years.

I have used it for two years.