National Park Visitation Rates

Would like the historical visitation rates including camping data (number of RV sites booked, number of backcountry sites booked, RV sites booked) and park entries. This would enable me to build something like this: https://public.tableau.com/profile/clayton.lukes #!/vizhome/NationalParkVisitationandCampingStatistics1979-2018-DesktopVersion/NationalParkDesktopDB but for the canadian national parks