Should I stop inviting her to hang out?

One of my friends has some similar interests to me. So I'll invite her to come hang out pretty often. These are not at all dates because they'd be in large groups and with other friends. I'd invite her to play soccer with us since she's a soccer player too, to parties that are open-invite, or to the local fair with a bunch of other friends. Sometimes she'll reply that she can't go or to let her know the next time we go/play, but most of the time she just won't respond at all. Should I just stop inviting her? I was only inviting her as a friend.
Should I stop inviting her to hang out?
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