The population then was at least 500 plants, with over 100 flowering spikes; by 1958 the population had reached 2,854 plants, with about 10% flowering, a population level and flowering proportion that were maintained throughout the 1960s. By 1971 however, only 252 plants were present, due to scrubbing over, as a result of the erection of the protective fence.
The plant population was initially around 500 individuals with over 100 flowering spikes. By 1958, it had grown to 2,854 plants, with about 10% in bloom. This pattern persisted throughout the 1960s. However, by 1971, only 252 plants remained due to over-scrubbing caused by the fence's installation.