Looking on the internet deeply has found these results:

I appreciate your help is the most popular phrase on the web.

I do appreciate your help 15,300 results on the web	I appreciate your help 11,130,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Definition of appreciate verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms�... ...My questions have been answered as of now, and I do appreciate your help. My sincere thanks to you for all of your time spent preparing for a meeting with me�... I do appreciate your help." San Diego, CA "wanted to update you on the success I had to renew both of my R01 grants you helped to improve... The first one was�... Nov 13, 2015 ... I just want to be sure about the actions to take on this screen to avoid headaches later. I do appreciate your help! THanks! Like Show 0 Likes (0)�...	But I appreciate your help treating my patients. I appreciate your help, Agent DiNozzo, but airport surveillance is for TSA and our eyes only. Well, thanks, Cal. I appreciate your help. I appreciate your help, Will. Thank you... and I appreciate your help... I appreciate your help on this case. I appreciate your help in getting me this far, Mikhail. I appreciate your help, but you should've made me a partner.

I do appreciate your help

15,300 results on the web

I appreciate your help

11,130,000,000 results on the web

More popular!

Definition of appreciate verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms�...
...My questions have been answered as of now, and I do appreciate your help. My sincere thanks to you for all of your time spent preparing for a meeting with me�...
I do appreciate your help." San Diego, CA "wanted to update you on the success I had to renew both of my R01 grants you helped to improve... The first one was�...
Nov 13, 2015 ... I just want to be sure about the actions to take on this screen to avoid headaches later. I do appreciate your help! THanks! Like Show 0 Likes (0)�...

But I appreciate your help treating my patients.
I appreciate your help, Agent DiNozzo, but airport surveillance is for TSA and our eyes only.
Well, thanks, Cal. I appreciate your help.
I appreciate your help, Will.
Thank you... and I appreciate your help...
I appreciate your help on this case.
I appreciate your help in getting me this far, Mikhail.
I appreciate your help, but you should've made me a partner.