We have put in place a rent deferral program for residents facing hardship due to the impact of COVID-19, approximately 500 residents are enrolled in this program.
We saw strong demand on the MH side of the business, with a 4.6% increase in rental revenue.
We increased new home sales volume by 14% and the average purchase price increased by 10%.
Our MH properties are currently 95% occupied.
Our overall occupancy consist of less than 6% renters.
80% of our RV revenue is longer term in nature and 20% comes from our transient customers.
For the second quarter, the annual revenue which historically accounts for approximately 70% of our total revenue, grew by 4.7%.
For the second quarter, we reported $0.47 normalized FFO per share.
Our core MH rent growth of 4.6%, consists of approximately 4.1% rate growth and 50 basis points related to occupancy gains.
We have increased occupancy at 103 sites since December, with an increase in owners of 156 while renters decreased by 53.
Core RV resort based rental income from annuals increased 4.7% for the second quarter and 6.1% year-to-date, compared to the same period last year.
Year-to-date core resorts -- year-to-date core resort base rent from seasonals increased 3.7% compared to 2019.
Core base rent from transient decreased 47.7% in the quarter, as a result of the closures Marguerite mentioned in her remarks.
Membership dues revenue increased 3% compared to the prior year.
During the quarter, we sold approximately 5,800 [Phonetic] Thousand Trails Camping Pass memberships.
This represents a 12% decrease for the quarter, which we attribute to the impact of COVID-19.
We experienced significant recovery in sales volume in June, which showed an increase of 43% over June 2019.
Sales volumes increased almost 12%, while the mix of product sold changed resulting in a lower average sales price.
Core utility and other income was about $400,000 lower than second quarter 2019.
The footnote disclosure included in our supplemental financial information package states that our core income from property operations includes approximately $1 million of non-recurring COVID-19 related expenses.
Excluding these expenses, we realized a 90 basis point decline in core property operating expenses in the quarter compared to last year.
In summary, second quarter core property operating revenues increased 60 basis points and core property operating expenses increased 10 basis points resulting in an increase in core NOI before property management of 1%.
Core NOI before property management, excluding COVID-19 related expenses increased 1.8%.
Income from property operations generated by our non-core portfolio, which includes our marina assets was $3 million in the quarter.
Revenues from annual customers, at the marinas and other properties in the non-core portfolio generated more than 90% of total non-core revenues in the quarter and year-to-date period.
Property management and corporate G&A expenses were $25.4 million for the second quarter of 2020 and $51.3 million for the year-to-date period.
Other income and expenses, generated net contribution of $1.7 million for the quarter.
Ancillary retail and restaurant operations were impacted by COVID-19 and generated approximately $1.2 million less NOI during the quarter than last year.
In addition, our joint venture income was approximately $2.4 million lower because of the refinancing distribution we recognized in 2019.
Interest and related loan cost amortization expense of $26.2 million for the quarter and $53.2 million for the year-to-date period.
Through that program, we assisted 540 residents with the deferral of approximately $0.5 million of rent.
Those credits will be applied to future charges and total approximately $900,000.
For the second quarter, our overall collection rate for our MH, RV and TT properties was 99%, consistent with the second quarter of 2019.
Current secured financing terms available for MH and RV assets range from 55% to 75% LTV, with rates from 2.75% to 3.5% for 10 year money.
Our cash balance after funding our July dividend is more than $50 million.
We have available capacity of $350 million from our unsecured line of credit, we have approximately $141 million of capacity under our ATM program, and we have no scheduled debt maturities for the next 12 months.
Our interest coverage ratio was 4.9 times and our debt to adjusted EBITDAre is 5 times.
The weighted average maturity of our outstanding secured debt is 12.5 years.

Summary:
For the second quarter, we reported $0.47 normalized FFO per share.
Through that program, we assisted 540 residents with the deferral of approximately $0.5 million of rent.