I have been using it for two and a half years.

I have been using Oracle Service Bus for around ten years. I am currently using version 12.2.3.

II have been using Oracle Service Bus for about three years as an integration platform for various integration projects. started using Oracle Service Bus for approximately three years for different projects.

I've been using Oracle Service Bus for the last ten years.

I have ten years of experience with Oracle Service Bus.

I've been working with the solution for about 12 years at this point. It has been over a decade.

I have been working with it for approximately eight years.

I've been using the solution for six or seven years. 

We started using the solution around 2014. We've used it for quite a few years now. It's been a while. 

I've been using this solution for 10 years. 

I've worked with Oracle for the last seven-and-a-half years.

I've been using Oracle Service Bus for five years.

I've been using the product for a year. 

I have used it for the past three years and I am satisfied with it.

I have been using it for at least eight years.

I have been using this solution for ten years.

I have been working with Oracle Service Bus for two years.

I've used Service Bus for one or two years.

We have been implementing this solution for more than eight years.