## Is your feature request related to a problem?

Compare year to date
![image](https://user-images.githubusercontent.com/1727427/101010122-8044ed00-3562-11eb-8be1-8462250ef97a.png)

With last 90 days [(link)](https://app.posthog.net/insights?display=ActionsBar&events=%5B%7B%22id%22%3A%22%24pageview%22%2C%22name%22%3A%22%24pageview%22%2C%22type%22%3A%22events%22%2C%22order%22%3A0%2C%22math%22%3A%22total%22%7D%5D&shown_as=Lifecycle&actions=%5B%5D&properties=%5B%7B%22key%22%3A%22%24current_url%22%2C%22value%22%3A%22https%3A%2F%2Fposthog.com%22%2C%22operator%22%3A%22not_icontains%22%2C%22type%22%3A%22event%22%7D%2C%7B%22key%22%3A%22id%22%2C%22value%22%3A71%2C%22type%22%3A%22cohort%22%7D%5D&interval=week&date_from=-90d)
![image](https://user-images.githubusercontent.com/1727427/101010537-9f437f00-3562-11eb-8e9f-a7e75f0018f5.png)


## Describe the solution you'd like



## Describe alternatives you've considered



## Additional context



#### *Thank you* for your feature request – we love each and every one!

posthog/queries/test/test_trends.py
p1 = person_factory(team_id=self.team.pk, distinct_ids=["p1"], properties={"name": "p1"})
            event_factory(
                team=self.team, event="$pageview", distinct_id="p1", timestamp="2020-01-11T12:00:00Z",
            )
            event_factory(
                team=self.team, event="$pageview", distinct_id="p1", timestamp="2020-02-12T12:00:00Z",
            )
            event_factory(
                team=self.team, event="$pageview", distinct_id="p1", timestamp="2020-03-13T12:00:00Z",
            )
            event_factory(
                team=self.team, event="$pageview", distinct_id="p1", timestamp="2020-05-15T12:00:00Z",
            )
            event_factory(
                team=self.team, event="$pageview", distinct_id="p1", timestamp="2020-07-17T12:00:00Z",
            )
            event_factory(
                team=self.team, event="$pageview", distinct_id="p1", timestamp="2020-09-19T12:00:00Z",
            )
            p2 = person_factory(team_id=self.team.pk, distinct_ids=["p2"], properties={"name": "p2"})
            event_factory(
                team=self.team, event="$pageview", distinct_id="p2", timestamp="2019-12-09T12:00:00Z",
            )
            event_factory(
                team=self.team, event="$pageview", distinct_id="p2", timestamp="2020-02-12T12:00:00Z",
            )
            p3 = person_factory(team_id=self.team.pk, distinct_ids=["p3"], properties={"name": "p3"})
            event_factory(
                team=self.team, event="$pageview", distinct_id="p3", timestamp="2020-02-12T12:00:00Z",