How common is blonde hair and brown eyes?

Yesterday someone said they thought it was cool that I have blonde hair and brown eyes because it's really unusual. I think it's kind of common though.... So how common is (natural) blonde hair and brown eyes together? Why are some pairs more unique than others, like blue eyes and brown hair? Like isn't... show more Yesterday someone said they thought it was cool that I have blonde hair and brown eyes because it's really unusual. I think it's kind of common though.... So how common is (natural) blonde hair and brown eyes together? Why are some pairs more unique than others, like blue eyes and brown hair? Like isn't there some scientific reasons?
Update: my mom has blonde hair blue eyes and my dad has brown hair brown eyes
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