pgfplotstableread[row sep=\,col sep=&]{
cvar & percent \
0.0 & 168 \
0.005 & 188 \
0.01 & 159 \
0.015 & 87 \
0.02 & 49 \
0.025 & 0 \
}data

begin{figure}[t]
begin{tikzpicture}
small
    begin{axis}[
            yticklabel style={
               /pgf/number format/.cd, fixed, fixed zerofill, precision=3, /tikz/.cd
            },
            scaled y ticks=false,
            width=7cm,
            axis lines=left,
            tick label style={font=small},
            xbar interval,
            grid=none,
            ymax=.03,
            xmax=250,
            ytick=data,
            yticklabel interval boundaries,
            y tick label style={font=tiny},
            xmajorgrids,
            nodes near coords,
            every node near coord/.append style={align=right,xshift=5pt,yshift=5pt,font=tiny},
        ]
        addplot[] table[y=cvar,x=percent]{data};
    end{axis}
end{tikzpicture}
end{figure}