<prompt> Translate the following text to EnglishIkilinganishwa na mapungufu ya miongo ya hivi karibuni, ziada ya leo inawakilisha mabadiliko ya kihistoria, na makadirio ya sasa yanaonyesha ziada zinazoendelea katika dirisha la bajeti ya miaka kumi, kama inavyoonyesha mchoro wa 13.  <response>: Compared to the deficits of recent decades, todays surplus represents a historic turnaround, and current projections show surpluses continuing over the 10year budget window, as figure 13 illustrates. 