On 12 July, the source wrote:

Redbook has incorporated the Commerce Department's annual benchmark revisions to its retail sales series into the Index. [...] The revisions affect only dollar sales bases and estimates, and month-to-month percentage changes. Year-over-year data remain unchanged.

The series reside in the historical catalog (United States » Consumer » Retail » Johnson Redbook Index » Monthly » NAICS based) and are:

• WRLJRITUM.IUSA  = Same-store sales base, (Bil. USD, NSA) - through 2019m6
• WR%JRITMUM.IUSA = Index: Same-store, (% M/M, SA) - through 2019m7

But not:

• WR%JRITYUM.IUSA = Index: Same-store, (% Y/Y, SA)

See also

• Data Revision: U.S. - BOC retail and food services [2019] (Jun 2019)