Lost gmail password

Hello, I created a Gmail account 6 or 7 years ago and I haven't used it much. Today I would like to recover my account, but I don't remember my password. So I followed the recovery procedure for Gmail, but it asks questions like your last used password or your last time using this account. I think I used it in 2005 or 2006, but I'm not sure of the date. In any case, I used it when I created this account. Anyway, all this to say that I am not trying to impersonate an account, just to recover the account I created a few years ago. Do you have a solution or is there someone to contact, a number, an email, to find a solution? Thank you for your response.

Configuration: Windows XP / Internet Explorer 8.0