docs: public static String getStats() {
          long total = sCacheHit + sCacheMiss + sCacheUn;
          double hit = ((double) sCacheHit / (double) total) * 100.0;
          double miss = ((double) sCacheMiss / (double) total) * 100.0;
          double un = ((double) sCacheUn / (double) total) * 100.0;
  
          // Default locale
          java.text.NumberFormat nf = java.text.NumberFormat.getInstance();
  
          return "Total: " + total + " reads. "
              + "Cache hits: " + sCacheHit + " (" + nf.format(hit) + "%), "
              + "Cache misses: " + sCacheMiss + " (" + nf.format(miss) + "%), "
              + "Unattempted: " + sCacheUn + " (" + nf.format(un) + "%) ";
      }