Looking on the internet deeply has found these results:

Thanks for your efforts. is the most popular phrase on the web.

Thank you for your efforts. 11,290,000 results on the web	Thanks for your efforts. 153,300,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:

Thank you for your efforts.

11,290,000 results on the web

Thanks for your efforts.

153,300,000 results on the web

More popular!