Go to http://www.steemreports.com/account-votes/ and there you have several options
Below is an example of me checking my top voters in the last 31 days.
With that I'd like to give a major shoutout to @Steepshot and their whole team
@Steepshot Team
@pmartynov, 
@vitality, 
@anch, 
@korzunav, 
@kirill.volkov, 
@nikitzI will check my top followers of each week and shout them out and monthly as well from now on :) I really like this resource
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✅ Join our Facebook group to network and grow together with our other Steemers - https://www.facebook.com/groups/Steemers/
Our pinned post has a bunch of resource for you to use and contribute to!
📩 Join the official telegram and discord for @Steephshot to share posts and communicate bugs and build a community around the platform!
https://discord.gg/aDf6TZ
https://t.me/steepshot_en
📷 Also join their awesome Facebook where we are building a community around the platform! - https://www.facebook.com/groups/steepshot/
👍 Check out these other groups we’ve partnered with 
https://www.facebook.com/groups/clixmoney/
https://www.facebook.com/groups/bestbitcoininvestment/
🌍 You can also follow me on:
Twitter - https://twitter.com/Scottcbusiness
Facebook - https://www.facebook.com/ScottCBusiness
Instagram - https://www.instagram.com/scottcbusiness
LinkedIn - https://ca.linkedin.com/in//scottcbusiness
Message me if you're interested in building together, I have some cool initiatives in the works
@bue
@gentlebot
@thing-2
@zublizainordin
@superstar2018
@danielfs
@robrigo
@lakshmi